Home / 3,178,560.83-4,388,036.72-2,151,496.44

Finding the Fourth Proportional to 3,178,560.83, 4,388,036.72 and 2,151,496.44

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Solution

The fourth proportional to 3,178,560.83, 4,388,036.72 and 2,151,496.44 is: 2,970,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,560.83 : 4,388,036.72 = 2,151,496.44 : x
  2. Step 2: Convert to fraction form
    3,178,560.83/4,388,036.72 = 2,151,496.44/x
  3. Step 3: Cross multiply
    3,178,560.83x = 4,388,036.72 × 2,151,496.44
  4. Step 4: Simplify right side
    3,178,560.83x = 9,440,845,370,911.80
  5. Step 5: Solve for x
    x = 9,440,845,370,911.80/3,178,560.83
  6. Step 6: Final answer
    x = 2,970,163.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.